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        <li class="header">第 1 部分 电商分析系统介绍</li>
        
        
    
        <li class="chapter " data-level="1.1" data-path="../../">
            
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                    第 1 章 项目简介
            
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                    1.1 项目整体介绍
            
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                    1.2 项目整体架构
            
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                    1.3 数据源分析
            
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                    1.4 项目需求
            
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                    第 2 章 预备知识
            
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                    第 3 章 项目搭建
            
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                    3.1 创建父工程
            
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                    3.2 创建通用子模块
            
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                    3.3 创建模拟数据子模块
            
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        <li class="header">第 2 部分 电商分析系统需求实现</li>
        
        
    
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                    第 4 章 需求1: Top10 热门品类
            
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                    第 5 章 需求2: Top10热门品类中的 Top10 活跃 Session 统计
            
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                    第 6 章 需求3: 页面单条转化率统计
            
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                    第 7 章 需求4: 各区域热门商品 Top3
            
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                    第 8 章 需求5:  广告黑名单实时统计
            
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                    8.1 离线项目预备知识
            
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                    8.2 实时环境搭建
            
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                    8.3 需求5: 广告黑名单实时统计
            
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                    第 9 章 需求6: 广告点击量实时统计 
            
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                    第 10 章 需求7: 每天每地区 热门广告 Top3
            
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                    第 11 章 新增需求: 最近 1 小时广告点击量实时统计
            
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                                <h1 id="82-&#x5B9E;&#x65F6;&#x73AF;&#x5883;&#x642D;&#x5EFA;">8.2 &#x5B9E;&#x65F6;&#x73AF;&#x5883;&#x642D;&#x5EFA;</h1>
<h2 id="&#x6B65;&#x9AA4;1-&#x5F00;&#x542F;&#x96C6;&#x7FA4;">&#x6B65;&#x9AA4;1: &#x5F00;&#x542F;&#x96C6;&#x7FA4;</h2>
<p>&#x542F;&#x52A8; zookeeper &#x548C; Kafka</p>
<hr>
<h2 id="&#x6B65;&#x9AA4;2-&#x521B;&#x5EFA;-topic">&#x6B65;&#x9AA4;2: &#x521B;&#x5EFA; Topic</h2>
<p>&#x5728; kafka &#x4E2D;&#x521B;&#x5EFA;topic: <code>ads_log</code></p>
<hr>
<h2 id="&#x6B65;&#x9AA4;3-&#x4EA7;&#x751F;&#x5FAA;&#x73AF;&#x4E0D;&#x65AD;&#x7684;&#x6570;&#x636E;&#x5230;&#x6307;&#x5B9A;&#x7684;-topic">&#x6B65;&#x9AA4;3: &#x4EA7;&#x751F;&#x5FAA;&#x73AF;&#x4E0D;&#x65AD;&#x7684;&#x6570;&#x636E;&#x5230;&#x6307;&#x5B9A;&#x7684; topic</h2>
<p>&#x5728; <code>sparkmall-mock</code>&#x6A21;&#x5757;&#x4E2D;&#x521B;&#x5EFA;&#x6587;&#x4EF6;<code>MockRealTime</code>, &#x542F;&#x52A8;&#x4E4B;&#x540E;&#x5F00;&#x59CB;&#x751F;&#x4EA7;&#x6570;&#x636E;.</p>
<blockquote>
<p>&#x4EE3;&#x7801;:</p>
</blockquote>
<pre class="language-"><code class="lang-scala"><span class="token keyword">package</span> com<span class="token punctuation">.</span>atguigu<span class="token punctuation">.</span>sparkmall<span class="token punctuation">.</span>mock

<span class="token keyword">import</span> java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>Properties

<span class="token keyword">import</span> com<span class="token punctuation">.</span>atguigu<span class="token punctuation">.</span>sparkmall<span class="token punctuation">.</span>common<span class="token punctuation">.</span>bean<span class="token punctuation">.</span>CityInfo
<span class="token keyword">import</span> com<span class="token punctuation">.</span>atguigu<span class="token punctuation">.</span>sparkmall<span class="token punctuation">.</span>mock<span class="token punctuation">.</span>util<span class="token punctuation">.</span><span class="token punctuation">{</span>RandomNumUtil<span class="token punctuation">,</span> RandomOptions<span class="token punctuation">}</span>
<span class="token keyword">import</span> org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>kafka<span class="token punctuation">.</span>clients<span class="token punctuation">.</span>producer<span class="token punctuation">.</span><span class="token punctuation">{</span>KafkaProducer<span class="token punctuation">,</span> ProducerRecord<span class="token punctuation">}</span>

<span class="token keyword">import</span> scala<span class="token punctuation">.</span>collection<span class="token punctuation">.</span>mutable<span class="token punctuation">.</span>ArrayBuffer

<span class="token comment">/**
  * &#x751F;&#x6210;&#x5B9E;&#x65F6;&#x7684;&#x6A21;&#x62DF;&#x6570;&#x636E;
  */</span>
<span class="token keyword">object</span> MockRealTime <span class="token punctuation">{</span>
    <span class="token comment">/*
    &#x6570;&#x636E;&#x683C;&#x5F0F;:
        timestamp   area    city    userid  adid
        &#x67D0;&#x4E2A;&#x65F6;&#x95F4;&#x70B9; &#x67D0;&#x4E2A;&#x5730;&#x533A;  &#x67D0;&#x4E2A;&#x57CE;&#x5E02;   &#x67D0;&#x4E2A;&#x7528;&#x6237;  &#x67D0;&#x4E2A;&#x5E7F;&#x544A;

     */</span>
    <span class="token keyword">def</span> mockRealTimeData<span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span> <span class="token punctuation">{</span>
        <span class="token comment">// &#x5B58;&#x50A8;&#x6A21;&#x62DF;&#x7684;&#x5B9E;&#x65F6;&#x6570;&#x636E;</span>
        <span class="token keyword">val</span> array <span class="token operator">=</span> ArrayBuffer<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">]</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
        <span class="token comment">// &#x57CE;&#x5E02;&#x4FE1;&#x606F;</span>
        <span class="token keyword">val</span> randomOpts <span class="token operator">=</span> RandomOptions<span class="token punctuation">(</span>
            <span class="token punctuation">(</span>CityInfo<span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x5317;&#x4EAC;&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x534E;&#x5317;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">30</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
            <span class="token punctuation">(</span>CityInfo<span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x4E0A;&#x6D77;&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x534E;&#x4E1C;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">30</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
            <span class="token punctuation">(</span>CityInfo<span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x5E7F;&#x5DDE;&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x534E;&#x5357;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">10</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
            <span class="token punctuation">(</span>CityInfo<span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x6DF1;&#x5733;&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x534E;&#x5357;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">20</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
            <span class="token punctuation">(</span>CityInfo<span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x676D;&#x5DDE;&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;&#x534E;&#x4E2D;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">10</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
        <span class="token punctuation">(</span><span class="token number">1</span> to <span class="token number">50</span><span class="token punctuation">)</span><span class="token punctuation">.</span>foreach <span class="token punctuation">{</span>
            i <span class="token keyword">=&gt;</span> <span class="token punctuation">{</span>
                <span class="token keyword">val</span> timestamp <span class="token operator">=</span> System<span class="token punctuation">.</span>currentTimeMillis<span class="token punctuation">(</span><span class="token punctuation">)</span>
                <span class="token keyword">val</span> cityInfo <span class="token operator">=</span> randomOpts<span class="token punctuation">.</span>getRandomOption<span class="token punctuation">(</span><span class="token punctuation">)</span>
                <span class="token keyword">val</span> area <span class="token operator">=</span> cityInfo<span class="token punctuation">.</span>area
                <span class="token keyword">val</span> city <span class="token operator">=</span> cityInfo<span class="token punctuation">.</span>city_name
                <span class="token keyword">val</span> userid <span class="token operator">=</span> RandomNumUtil<span class="token punctuation">.</span>randomInt<span class="token punctuation">(</span><span class="token number">100</span><span class="token punctuation">,</span> <span class="token number">105</span><span class="token punctuation">)</span>
                <span class="token keyword">val</span> adid <span class="token operator">=</span> RandomNumUtil<span class="token punctuation">.</span>randomInt<span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">5</span><span class="token punctuation">)</span>
                array <span class="token operator">+=</span> s<span class="token string">&quot;$timestamp,$area,$city,$userid,$adid&quot;</span>
                Thread<span class="token punctuation">.</span>sleep<span class="token punctuation">(</span><span class="token number">10</span><span class="token punctuation">)</span>
            <span class="token punctuation">}</span>
        <span class="token punctuation">}</span>
        array
    <span class="token punctuation">}</span>

    <span class="token keyword">def</span> createKafkaProducer<span class="token operator">:</span> KafkaProducer<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">,</span> <span class="token builtin">String</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token punctuation">{</span>
        <span class="token keyword">val</span> props <span class="token operator">=</span> <span class="token keyword">new</span> Properties
        <span class="token comment">// Kafka&#x670D;&#x52A1;&#x7AEF;&#x7684;&#x4E3B;&#x673A;&#x540D;&#x548C;&#x7AEF;&#x53E3;&#x53F7;</span>
        props<span class="token punctuation">.</span>put<span class="token punctuation">(</span><span class="token string">&quot;bootstrap.servers&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;hadoop201:9092,hadoop202:9092,hadoop203:9092&quot;</span><span class="token punctuation">)</span>
        <span class="token comment">// &#x7B49;&#x5F85;&#x6240;&#x6709;&#x526F;&#x672C;&#x8282;&#x70B9;&#x7684;&#x5E94;&#x7B54;</span>
        props<span class="token punctuation">.</span>put<span class="token punctuation">(</span><span class="token string">&quot;acks&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;1&quot;</span><span class="token punctuation">)</span>
        <span class="token comment">// &#x91CD;&#x8BD5;&#x6700;&#x5927;&#x6B21;&#x6570;</span>
        props<span class="token punctuation">.</span>put<span class="token punctuation">(</span><span class="token string">&quot;retries&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;0&quot;</span><span class="token punctuation">)</span>

        <span class="token comment">// &#x6279;&#x6D88;&#x606F;&#x5904;&#x7406;&#x5927;&#x5C0F;</span>
        props<span class="token punctuation">.</span>put<span class="token punctuation">(</span><span class="token string">&quot;batch.size&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;16384&quot;</span><span class="token punctuation">)</span>
        <span class="token comment">// &#x8BF7;&#x6C42;&#x5EF6;&#x65F6;</span>
        props<span class="token punctuation">.</span>put<span class="token punctuation">(</span><span class="token string">&quot;linger.ms&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;1&quot;</span><span class="token punctuation">)</span>
        <span class="token comment">//// &#x53D1;&#x9001;&#x7F13;&#x5B58;&#x533A;&#x5185;&#x5B58;&#x5927;&#x5C0F;</span>
        props<span class="token punctuation">.</span>put<span class="token punctuation">(</span><span class="token string">&quot;buffer.memory&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;33554432&quot;</span><span class="token punctuation">)</span>
        <span class="token comment">// key&#x5E8F;&#x5217;&#x5316;</span>
        props<span class="token punctuation">.</span>put<span class="token punctuation">(</span><span class="token string">&quot;key.serializer&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;org.apache.kafka.common.serialization.StringSerializer&quot;</span><span class="token punctuation">)</span>
        <span class="token comment">// value&#x5E8F;&#x5217;&#x5316;</span>
        props<span class="token punctuation">.</span>put<span class="token punctuation">(</span><span class="token string">&quot;value.serializer&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;org.apache.kafka.common.serialization.StringSerializer&quot;</span><span class="token punctuation">)</span>
        <span class="token keyword">new</span> KafkaProducer<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">,</span> <span class="token builtin">String</span><span class="token punctuation">]</span><span class="token punctuation">(</span>props<span class="token punctuation">)</span>
    <span class="token punctuation">}</span>

    <span class="token keyword">def</span> main<span class="token punctuation">(</span>args<span class="token operator">:</span> Array<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">Unit</span> <span class="token operator">=</span> <span class="token punctuation">{</span>
        <span class="token keyword">val</span> topic <span class="token operator">=</span> <span class="token string">&quot;ads_log&quot;</span>
        <span class="token keyword">val</span> producer<span class="token operator">:</span> KafkaProducer<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">,</span> <span class="token builtin">String</span><span class="token punctuation">]</span> <span class="token operator">=</span> createKafkaProducer
        <span class="token keyword">while</span> <span class="token punctuation">(</span><span class="token boolean">true</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            mockRealTimeData<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span>foreach <span class="token punctuation">{</span>
                msg <span class="token keyword">=&gt;</span> <span class="token punctuation">{</span>
                    producer<span class="token punctuation">.</span>send<span class="token punctuation">(</span><span class="token keyword">new</span> ProducerRecord<span class="token punctuation">(</span>topic<span class="token punctuation">,</span> msg<span class="token punctuation">)</span><span class="token punctuation">)</span>
                    Thread<span class="token punctuation">.</span>sleep<span class="token punctuation">(</span><span class="token number">100</span><span class="token punctuation">)</span>
                <span class="token punctuation">}</span>
            <span class="token punctuation">}</span>
            Thread<span class="token punctuation">.</span>sleep<span class="token punctuation">(</span><span class="token number">1000</span><span class="token punctuation">)</span>
        <span class="token punctuation">}</span>
    <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<hr>
<h2 id="&#x6B65;&#x9AA4;4-&#x5728;&#x7EC8;&#x7AEF;&#x6D88;&#x8D39;&#x8005;&#x4E2D;&#x67E5;&#x770B;&#x6570;&#x636E;&#x662F;&#x5426;&#x751F;&#x4EA7;&#x6210;&#x529F;">&#x6B65;&#x9AA4;4: &#x5728;&#x7EC8;&#x7AEF;&#x6D88;&#x8D39;&#x8005;&#x4E2D;&#x67E5;&#x770B;&#x6570;&#x636E;&#x662F;&#x5426;&#x751F;&#x4EA7;&#x6210;&#x529F;</h2>
<hr>
<h2 id="&#x6B65;&#x9AA4;5-&#x4ECE;-kafka-&#x8BFB;&#x53D6;&#x6570;&#x636E;&#x5F97;&#x5230;-dstream">&#x6B65;&#x9AA4;5: &#x4ECE; kafka &#x8BFB;&#x53D6;&#x6570;&#x636E;&#x5F97;&#x5230; DStream</h2>
<p>&#x5728;<code>sparkmall-common</code>&#x6A21;&#x5757;&#x4E2D;&#x5B9A;&#x4E49;<code>MyKafkaUtil</code>, &#x7528;&#x6765;&#x4ECE; Kafka &#x8BFB;&#x53D6;&#x6570;&#x636E;&#x5F97;&#x5230; <code>DStream</code></p>
<pre class="language-"><code class="lang-scala"><span class="token keyword">package</span> com<span class="token punctuation">.</span>atguigu<span class="token punctuation">.</span>sparkmall<span class="token punctuation">.</span>common<span class="token punctuation">.</span>util

<span class="token keyword">import</span> org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>kafka<span class="token punctuation">.</span>common<span class="token punctuation">.</span>serialization<span class="token punctuation">.</span>StringDeserializer
<span class="token keyword">import</span> org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>spark<span class="token punctuation">.</span>streaming<span class="token punctuation">.</span>StreamingContext
<span class="token keyword">import</span> org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>spark<span class="token punctuation">.</span>streaming<span class="token punctuation">.</span>kafka010<span class="token punctuation">.</span><span class="token punctuation">{</span>ConsumerStrategies<span class="token punctuation">,</span> KafkaUtils<span class="token punctuation">,</span> LocationStrategies<span class="token punctuation">}</span>

<span class="token keyword">object</span> MyKafkaUtil <span class="token punctuation">{</span>
    <span class="token keyword">val</span> config <span class="token operator">=</span> ConfigurationUtil<span class="token punctuation">(</span><span class="token string">&quot;config.properties&quot;</span><span class="token punctuation">)</span>
    <span class="token keyword">val</span> broker_list <span class="token operator">=</span> config<span class="token punctuation">.</span>getString<span class="token punctuation">(</span><span class="token string">&quot;kafka.broker.list&quot;</span><span class="token punctuation">)</span>

    <span class="token comment">// kafka&#x6D88;&#x8D39;&#x8005;&#x914D;&#x7F6E;</span>
    <span class="token keyword">val</span> kafkaParam <span class="token operator">=</span> Map<span class="token punctuation">(</span>
        <span class="token string">&quot;bootstrap.servers&quot;</span> <span class="token operator">-</span><span class="token operator">&gt;</span> broker_list<span class="token punctuation">,</span> <span class="token comment">//&#x7528;&#x4E8E;&#x521D;&#x59CB;&#x5316;&#x94FE;&#x63A5;&#x5230;&#x96C6;&#x7FA4;&#x7684;&#x5730;&#x5740;</span>
        <span class="token string">&quot;key.deserializer&quot;</span> <span class="token operator">-</span><span class="token operator">&gt;</span> classOf<span class="token punctuation">[</span>StringDeserializer<span class="token punctuation">]</span><span class="token punctuation">,</span>
        <span class="token string">&quot;value.deserializer&quot;</span> <span class="token operator">-</span><span class="token operator">&gt;</span> classOf<span class="token punctuation">[</span>StringDeserializer<span class="token punctuation">]</span><span class="token punctuation">,</span>
        <span class="token comment">//&#x7528;&#x4E8E;&#x6807;&#x8BC6;&#x8FD9;&#x4E2A;&#x6D88;&#x8D39;&#x8005;&#x5C5E;&#x4E8E;&#x54EA;&#x4E2A;&#x6D88;&#x8D39;&#x56E2;&#x4F53;</span>
        <span class="token string">&quot;group.id&quot;</span> <span class="token operator">-</span><span class="token operator">&gt;</span> <span class="token string">&quot;commerce-consumer-group&quot;</span><span class="token punctuation">,</span>
        <span class="token comment">//&#x5982;&#x679C;&#x6CA1;&#x6709;&#x521D;&#x59CB;&#x5316;&#x504F;&#x79FB;&#x91CF;&#x6216;&#x8005;&#x5F53;&#x524D;&#x7684;&#x504F;&#x79FB;&#x91CF;&#x4E0D;&#x5B58;&#x5728;&#x4EFB;&#x4F55;&#x670D;&#x52A1;&#x5668;&#x4E0A;&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x8FD9;&#x4E2A;&#x914D;&#x7F6E;&#x5C5E;&#x6027;</span>
        <span class="token comment">//&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x8FD9;&#x4E2A;&#x914D;&#x7F6E;&#xFF0C;latest&#x81EA;&#x52A8;&#x91CD;&#x7F6E;&#x504F;&#x79FB;&#x91CF;&#x4E3A;&#x6700;&#x65B0;&#x7684;&#x504F;&#x79FB;&#x91CF;</span>
        <span class="token string">&quot;auto.offset.reset&quot;</span> <span class="token operator">-</span><span class="token operator">&gt;</span> <span class="token string">&quot;latest&quot;</span><span class="token punctuation">,</span>
        <span class="token comment">//&#x5982;&#x679C;&#x662F;true&#xFF0C;&#x5219;&#x8FD9;&#x4E2A;&#x6D88;&#x8D39;&#x8005;&#x7684;&#x504F;&#x79FB;&#x91CF;&#x4F1A;&#x5728;&#x540E;&#x53F0;&#x81EA;&#x52A8;&#x63D0;&#x4EA4;,&#x4F46;&#x662F;kafka&#x5B95;&#x673A;&#x5BB9;&#x6613;&#x4E22;&#x5931;&#x6570;&#x636E;</span>
        <span class="token comment">//&#x5982;&#x679C;&#x662F;false&#xFF0C;&#x4F1A;&#x9700;&#x8981;&#x624B;&#x52A8;&#x7EF4;&#x62A4;kafka&#x504F;&#x79FB;&#x91CF;. &#x672C;&#x6B21;&#x6211;&#x4EEC;&#x4ECD;&#x7136;&#x81EA;&#x52A8;&#x7EF4;&#x62A4;&#x504F;&#x79FB;&#x91CF;</span>
        <span class="token string">&quot;enable.auto.commit&quot;</span> <span class="token operator">-</span><span class="token operator">&gt;</span> <span class="token punctuation">(</span><span class="token boolean">true</span><span class="token operator">:</span> java<span class="token punctuation">.</span>lang<span class="token punctuation">.</span><span class="token builtin">Boolean</span><span class="token punctuation">)</span>
    <span class="token punctuation">)</span>
    <span class="token comment">/*
     &#x521B;&#x5EFA;DStream&#xFF0C;&#x8FD4;&#x56DE;&#x63A5;&#x6536;&#x5230;&#x7684;&#x8F93;&#x5165;&#x6570;&#x636E;
     LocationStrategies&#xFF1A;&#x6839;&#x636E;&#x7ED9;&#x5B9A;&#x7684;&#x4E3B;&#x9898;&#x548C;&#x96C6;&#x7FA4;&#x5730;&#x5740;&#x521B;&#x5EFA;consumer
     LocationStrategies.PreferConsistent&#xFF1A;&#x6301;&#x7EED;&#x7684;&#x5728;&#x6240;&#x6709;Executor&#x4E4B;&#x95F4;&#x5206;&#x914D;&#x5206;&#x533A;
     ConsumerStrategies&#xFF1A;&#x9009;&#x62E9;&#x5982;&#x4F55;&#x5728;Driver&#x548C;Executor&#x4E0A;&#x521B;&#x5EFA;&#x548C;&#x914D;&#x7F6E;Kafka Consumer
     ConsumerStrategies.Subscribe&#xFF1A;&#x8BA2;&#x9605;&#x4E00;&#x7CFB;&#x5217;&#x4E3B;&#x9898;
     */</span>

    <span class="token keyword">def</span> getDStream<span class="token punctuation">(</span>ssc<span class="token operator">:</span> StreamingContext<span class="token punctuation">,</span> topic<span class="token operator">:</span> <span class="token builtin">String</span><span class="token punctuation">)</span> <span class="token operator">=</span> <span class="token punctuation">{</span>
        KafkaUtils<span class="token punctuation">.</span>createDirectStream<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">,</span> <span class="token builtin">String</span><span class="token punctuation">]</span><span class="token punctuation">(</span>
            ssc<span class="token punctuation">,</span>
            LocationStrategies<span class="token punctuation">.</span>PreferConsistent<span class="token punctuation">,</span>  <span class="token comment">// &#x6807;&#x914D;. &#x53EA;&#x8981; kafka &#x548C; spark &#x6CA1;&#x6709;&#x90E8;&#x7F72;&#x5728;&#x4E00;&#x53F0;&#x8BBE;&#x5907;&#x5C31;&#x5E94;&#x8BE5;&#x662F;&#x8FD9;&#x4E2A;&#x53C2;&#x6570;</span>
            ConsumerStrategies<span class="token punctuation">.</span>Subscribe<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">,</span> <span class="token builtin">String</span><span class="token punctuation">]</span><span class="token punctuation">(</span>Array<span class="token punctuation">(</span>topic<span class="token punctuation">)</span><span class="token punctuation">,</span> kafkaParam<span class="token punctuation">)</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<h2 id="&#x6B65;&#x9AA4;6-&#x521B;&#x5EFA;&#x5B9E;&#x65F6;&#x5B50;&#x6A21;&#x5757;">&#x6B65;&#x9AA4;6: &#x521B;&#x5EFA;&#x5B9E;&#x65F6;&#x5B50;&#x6A21;&#x5757;</h2>
<p>&#x6A21;&#x5757;&#x540D;: <code>sparkmall-realtime</code></p>
<h3 id="1-&#x5BFC;&#x5165;&#x4F9D;&#x8D56;">1. &#x5BFC;&#x5165;&#x4F9D;&#x8D56;</h3>
<pre class="language-"><code class="lang-xml"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependencies</span><span class="token punctuation">&gt;</span></span>

    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>com.atguigu<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>sparkmall-common<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>1.0-SNAPSHOT<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>

    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.apache.spark<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spark-core_2.11<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.apache.spark<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spark-sql_2.11<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.apache.spark<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spark-hive_2.11<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependencies</span><span class="token punctuation">&gt;</span></span>
</code></pre>
<h3 id="2-&#x7F16;&#x5199;realtimeapp">2. &#x7F16;&#x5199;<code>RealTimeApp</code></h3>
<pre class="language-"><code class="lang-scala"><span class="token keyword">package</span> com<span class="token punctuation">.</span>atgugu<span class="token punctuation">.</span>sparkmall<span class="token punctuation">.</span>realtime

<span class="token keyword">import</span> com<span class="token punctuation">.</span>atgugu<span class="token punctuation">.</span>sparkmall<span class="token punctuation">.</span>realtime<span class="token punctuation">.</span>app<span class="token punctuation">.</span>AdsInfo
<span class="token keyword">import</span> com<span class="token punctuation">.</span>atguigu<span class="token punctuation">.</span>sparkmall<span class="token punctuation">.</span>common<span class="token punctuation">.</span>util<span class="token punctuation">.</span>MyKafkaUtil
<span class="token keyword">import</span> org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>kafka<span class="token punctuation">.</span>clients<span class="token punctuation">.</span>consumer<span class="token punctuation">.</span>ConsumerRecord
<span class="token keyword">import</span> org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>spark<span class="token punctuation">.</span>streaming<span class="token punctuation">.</span>dstream<span class="token punctuation">.</span><span class="token punctuation">{</span>DStream<span class="token punctuation">,</span> InputDStream<span class="token punctuation">}</span>
<span class="token keyword">import</span> org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>spark<span class="token punctuation">.</span>streaming<span class="token punctuation">.</span><span class="token punctuation">{</span>Seconds<span class="token punctuation">,</span> StreamingContext<span class="token punctuation">}</span>
<span class="token keyword">import</span> org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>spark<span class="token punctuation">.</span><span class="token punctuation">{</span>SparkConf<span class="token punctuation">,</span> SparkContext<span class="token punctuation">}</span>

<span class="token keyword">object</span> RealTimeApp <span class="token punctuation">{</span>
    <span class="token keyword">def</span> main<span class="token punctuation">(</span>args<span class="token operator">:</span> Array<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">Unit</span> <span class="token operator">=</span> <span class="token punctuation">{</span>
        <span class="token comment">// 1. &#x521B;&#x5EFA; SparkConf &#x5BF9;&#x8C61;</span>
        <span class="token keyword">val</span> conf<span class="token operator">:</span> SparkConf <span class="token operator">=</span> <span class="token keyword">new</span> SparkConf<span class="token punctuation">(</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span>setAppName<span class="token punctuation">(</span><span class="token string">&quot;RealTimeApp&quot;</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span>setMaster<span class="token punctuation">(</span><span class="token string">&quot;local[*]&quot;</span><span class="token punctuation">)</span>
        <span class="token comment">// 2. &#x521B;&#x5EFA; SparkContext &#x5BF9;&#x8C61;</span>
        <span class="token keyword">val</span> sc <span class="token operator">=</span> <span class="token keyword">new</span> SparkContext<span class="token punctuation">(</span>conf<span class="token punctuation">)</span>
        <span class="token comment">// 3. &#x521B;&#x5EFA; StreamingContext</span>
        <span class="token keyword">val</span> ssc <span class="token operator">=</span> <span class="token keyword">new</span> StreamingContext<span class="token punctuation">(</span>sc<span class="token punctuation">,</span> Seconds<span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
        <span class="token comment">// 4. &#x5F97;&#x5230; DStream</span>
        <span class="token keyword">val</span> recordDStream<span class="token operator">:</span> InputDStream<span class="token punctuation">[</span>ConsumerRecord<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">,</span> <span class="token builtin">String</span><span class="token punctuation">]</span><span class="token punctuation">]</span> <span class="token operator">=</span> MyKafkaUtil<span class="token punctuation">.</span>getDStream<span class="token punctuation">(</span>ssc<span class="token punctuation">,</span> <span class="token string">&quot;ads_log&quot;</span><span class="token punctuation">)</span>

        <span class="token comment">// 5. &#x4E3A;&#x4E86;&#x65B9;&#x4FBF;&#x540E;&#x9762;&#x7684;&#x8BA1;&#x7B97;, &#x628A;&#x6D88;&#x8D39;&#x5230;&#x7684;&#x5B57;&#x7B26;&#x4E32;&#x5C01;&#x88C5;&#x5230;&#x5BF9;&#x8C61;&#x4E2D;</span>
        <span class="token keyword">val</span> adsInfoDStream<span class="token operator">:</span> DStream<span class="token punctuation">[</span>AdsInfo<span class="token punctuation">]</span> <span class="token operator">=</span> recordDStream<span class="token punctuation">.</span>map <span class="token punctuation">{</span>
            record <span class="token keyword">=&gt;</span>
                <span class="token keyword">val</span> split<span class="token operator">:</span> Array<span class="token punctuation">[</span><span class="token builtin">String</span><span class="token punctuation">]</span> <span class="token operator">=</span> record<span class="token punctuation">.</span>value<span class="token punctuation">.</span>split<span class="token punctuation">(</span><span class="token string">&quot;,&quot;</span><span class="token punctuation">)</span>
                AdsInfo<span class="token punctuation">(</span>split<span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">.</span>toLong<span class="token punctuation">,</span> split<span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">,</span> split<span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">,</span> split<span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">)</span><span class="token punctuation">,</span> split<span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
        <span class="token punctuation">}</span>

        ssc<span class="token punctuation">.</span>start<span class="token punctuation">(</span><span class="token punctuation">)</span>
        ssc<span class="token punctuation">.</span>awaitTermination<span class="token punctuation">(</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
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